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Finding the Fourth Proportional to 8,523.92, 11,760.62 and 5,497.76

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Solution

The fourth proportional to 8,523.92, 11,760.62 and 5,497.76 is: 7,585.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,523.92 : 11,760.62 = 5,497.76 : x
  2. Step 2: Convert to fraction form
    8,523.92/11,760.62 = 5,497.76/x
  3. Step 3: Cross multiply
    8,523.92x = 11,760.62 × 5,497.76
  4. Step 4: Simplify right side
    8,523.92x = 64,657,021.15
  5. Step 5: Solve for x
    x = 64,657,021.15/8,523.92
  6. Step 6: Final answer
    x = 7,585.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.